Physics Exam Past Questions and Answers | JAMB, WAEC and NECO

Physics is the science that studies the nature and properties of matter and energy. It covers topics like motion, heat, light, sound, electricity, magnetism, and the structure of atoms.

• Question 131: A body which weighs 50N in air displaces 3.7kg of water when partially immersed in water. Calculate the upthrust on the body? Options:
  A) 8.7N
  B) 37.0N
  C) 87.0N
  D) 13.0N
  Show Answer
  The correct answer is B .
• Question 132: When the length I of a piece of wire under constant tension is varied, the relationship of the frequency of the vibration f$\alpha$/ is Options:
  A) f$\alpha$/
  B) f$\alpha \frac{1}{I^2}$
  C) f $\alpha \sqrt{I}$
  D) f$\alpha \frac{1}{1}$
  Show Answer
  The correct answer is D .
• Question 133:

  

  A particle is injected perpendicularly into an electric field, it travels along a curved path as depicted in the image above,the particle is

  Options:
  A) gamma ray
  B) electron
  C) neutron
  D) proton
  Show Answer
  The correct answer is B .
• Question 134: Which of the following is not an electromagnetic radiation? Options:
  A) x - ray
  B) Radio waves
  C) sunlight
  D) sound waves
  Show Answer
  The correct answer is D .
• Question 135:

  Which of the following is a type of incandescent light source?

  Options:
  A) Fluorescent lamp
  B) LED lamp
  C) Tungsten filament lamp
  D) Neon lamp
  Show Answer
  The correct answer is C .
• Question 136: A thermometer with an arbitrary scale S, of equal division registers -30^oS at the ice point and +90^oS at the steam point. Calculate the Celsius temperature corresponding to 60^oS Options:
  A) 25.0^oC
  B) 50.0^oC
  C) 66.7^oC
  D) 75.0^oC
  Show Answer
  The correct answer is D .
• Question 137:

  A convex mirror is used as a driving mirror because
  i. its image is erect.
  ii. it has a large field of view.
  iii. it has a long focal length.

  Identify the CORRECT statement(s)

  Options:
  A) i andiii only
  B) i and ii only
  C) ii and iii only
  D) i, ii, and iii only
  E) i only
  Show Answer
  The correct answer is B .
• Question 138: What is the angle of dip at the magnetic equator Options:
  A) ${45}^{\circ }$
  B) $0^{\circ }$
  C) ${90}^{\circ }$
  D) ${180}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 139:

  Tyres are treaded to?

  Options:
  A) increase weight of tyres
  B) increase friction
  C) increase its longevity
  D) look good
  Show Answer
  The correct answer is B .
• Question 140: A current of 0.5 A flowing 3h Deposits 2g of metal during electrolysis. The quantity of the same metal that would be deposited by the currents of 1.5A flowing in 1h is Options:
  A) 2g
  B) 6g
  C) 10g
  D) 18g
  Show Answer
  The correct answer is A .